/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.tests.server.clientconnector;
import org.easymock.EasyMock;
import org.easymock.IArgumentMatcher;
import org.easymock.IMocksControl;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.event.ConnectorEvent;
import com.vaadin.server.ClientConnector.AttachEvent;
import com.vaadin.server.ClientConnector.AttachListener;
import com.vaadin.server.ClientConnector.DetachEvent;
import com.vaadin.server.ClientConnector.DetachListener;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinService;
import com.vaadin.server.VaadinSession;
import com.vaadin.tests.util.AlwaysLockedVaadinSession;
import com.vaadin.ui.Component;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Layout;
import com.vaadin.ui.UI;
public class AttachDetachListeners {
private IMocksControl control;
private VaadinSession session;
private UI ui;
private Layout content;
private Component component;
AttachListener attachListener;
DetachListener detachListener;
@Before
public void setUp() {
control = EasyMock.createStrictControl();
session = new AlwaysLockedVaadinSession(
control.createMock(VaadinService.class));
ui = new UI() {
@Override
protected void init(VaadinRequest request) {
}
};
content = new CssLayout();
component = new Label();
attachListener = control.createMock(AttachListener.class);
detachListener = control.createMock(DetachListener.class);
}
@Test
public void attachListeners_setSessionLast() {
setupAttachListeners();
ui.setContent(content);
content.addComponent(component);
ui.setSession(session);
control.verify();
}
@Test
public void attachListeners_setSessionFirst() {
setupAttachListeners();
ui.setSession(session);
ui.setContent(content);
content.addComponent(component);
control.verify();
}
@Test
public void attachListeners_setSessionBetween() {
setupAttachListeners();
ui.setContent(content);
ui.setSession(session);
content.addComponent(component);
control.verify();
}
@Test
public void detachListeners_setSessionNull() {
setupDetachListeners();
ui.setContent(content);
content.addComponent(component);
ui.setSession(null);
control.verify();
}
@Test
public void detachListeners_removeComponent() {
setupDetachListeners();
ui.setContent(content);
content.addComponent(component);
content.removeAllComponents();
ui.setSession(null);
control.verify();
}
@Test
public void detachListeners_setContentNull() {
setupDetachListeners();
ui.setContent(content);
content.addComponent(component);
ui.setContent(null);
ui.setSession(null);
control.verify();
}
public static class EventEquals<E extends ConnectorEvent> implements
IArgumentMatcher {
private E expected;
public EventEquals(E expected) {
this.expected = expected;
}
@Override
public void appendTo(StringBuffer buffer) {
buffer.append("EventEquals(");
buffer.append("expected " + expected.getClass().getSimpleName()
+ " with connector " + expected.getConnector());
buffer.append(")");
}
@Override
public boolean matches(Object argument) {
return expected.getClass().isInstance(argument)
&& ((ConnectorEvent) argument).getConnector() == expected
.getConnector();
}
}
public static <E extends ConnectorEvent> E eventEquals(E expected) {
EasyMock.reportMatcher(new EventEquals<E>(expected));
return null;
}
private void setupDetachListeners() {
detachListener.detach(eventEquals(new DetachEvent(component)));
detachListener.detach(eventEquals(new DetachEvent(content)));
detachListener.detach(eventEquals(new DetachEvent(ui)));
control.replay();
ui.addDetachListener(detachListener);
content.addDetachListener(detachListener);
component.addDetachListener(detachListener);
ui.setSession(session);
}
private void setupAttachListeners() {
attachListener.attach(eventEquals(new AttachEvent(ui)));
attachListener.attach(eventEquals(new AttachEvent(content)));
attachListener.attach(eventEquals(new AttachEvent(component)));
control.replay();
ui.addAttachListener(attachListener);
content.addAttachListener(attachListener);
component.addAttachListener(attachListener);
}
}